﻿// Groupon.NET C# Library
// Copyright (c) 2011 James Paul Duncan (JPaulDuncan)
// The MIT License (MIT)
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE. 
// http://www.jpaulduncan.com

using System.Collections.Generic;
using System.Xml;

namespace Groupon.Net
{
    /// <summary>
    /// A response from the service API
    /// </summary>
    internal sealed class Response : XmlDocument
    {
        /// <summary>
        /// Default constructor
        /// </summary>
        public Response(string xml)
            : base()
        {
            this.InnerXml = xml;
        }

        public bool HasErrors { get { return this.Errors.Count > 0; } }

        public List<string> Errors
        {
            get
            {
                List<string> result = new List<string>();

                if (this.HasChildNodes)
                {
                    foreach (XmlNode xmlNode in this.GetElementsByTagName("error"))
                    {
                        int code = xmlNode.SelectSingleNode("httpCode").GetInt();
                        string message = xmlNode.SelectSingleNode("message").GetText();

                        result.Add(string.Format("{0}:{1}", code.ToString(), message));
                    }
                }
                return result;
            }
        }
    }
}
